Men on Mt., trees |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Bark of Abies arizonica |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Class |
United States, Arizona, Aspen Springs |
1929-08-10 |
Class |
United States, Arizona, Aspen Springs |
1929-08-10 |
Lecanora calcarea |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Lichens |
United States, Arizona, San Francisco Peak |
1929-08-10 |
Delphinium |
United States, Arizona, Ford Valley |
1929-08-08 |
Delphinium |
United States, Arizona, Ford Valley |
1929-08-08 |
Vegetation of valley |
United States, Arizona, Ford Valley |
1929-08-08 |
The valley |
United States, Arizona, Ford Valley |
1929-08-08 |
Opuntia fulgida, Simmondsia |
United States, Arizona, Boyce Thompson Arboretum |
1929-07-30 |
Simmondsia, Opuntia, Carnegiea |
United States, Arizona, Boyce Thompson Arboretum |
1929-07-30 |
Fouquieria, Opuntia, etc. |
United States, Arizona, Boyce Thompson Arboretum |
1929-07-30 |
View of arboretum |
United States, Arizona, Boyce Thompson Arboretum |
1929-07-30 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Plowing under Sesbania |
United States, Arizona, Mesa Farm |
1929-07-28 |
Plowing under Sesbania |
United States, Arizona, Mesa Farm |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toads |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Toad |
United States, Arizona |
1929-07-28 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Palms |
United States, Arizona |
1929-07-26 |
Echinocereus |
United States, Arizona |
1929-07-22 |
Chaparral |
United States, Arizona |
1929-07-22 |
Pinus scopulorum |
United States, Arizona |
1929-07-22 |
Pinus scopulorum |
United States, Arizona |
1929-07-22 |
Chaparral |
United States, Arizona |
1929-07-22 |